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Raphael Abiry
- 28 September 2022
- RESEARCH BULLETIN - No. 99Details
- Abstract
- While there is broad consensus that carbon pricing is an effective instrument for combatting climate change, the potential contribution of central banks is still debated. Central banks around the world have adopted different strategies to consider climate change in their monetary policy frameworks. This article focuses on green quantitative easing (QE). Compared with a carbon tax, we find that green QE would contribute only moderately to reducing global temperatures, while partially crowding out green private investment. However, green QE could serve as a complementary instrument, especially if governments fail to coordinate on introducing a sufficiently ambitious carbon tax on the global scale.
- JEL Code
- E51 : Macroeconomics and Monetary Economics→Monetary Policy, Central Banking, and the Supply of Money and Credit→Money Supply, Credit, Money Multipliers
E62 : Macroeconomics and Monetary Economics→Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook→Fiscal Policy
Q54 : Agricultural and Natural Resource Economics, Environmental and Ecological Economics→Environmental Economics→Climate, Natural Disasters, Global Warming
- 8 August 2022
- WORKING PAPER SERIES - No. 2701Details
- Abstract
- We develop a two-sector incomplete markets integrated assessment model to analyze the effectiveness of green quantitative easing (QE) in complementing fiscal policies for climate change mitigation. We model green QE through an outstanding stock of private assets held by a monetary authority and its portfolio allocation between a clean and a dirty sector of production. Green QE leads to a partial crowding out of private capital in the green sector and to a modest reduction of the global temperature by 0.04 degrees of Celsius until 2100. A moderate global carbon tax of 50 USD per tonne of carbon is 4 times more effective.
- JEL Code
- E51 : Macroeconomics and Monetary Economics→Monetary Policy, Central Banking, and the Supply of Money and Credit→Money Supply, Credit, Money Multipliers
E62 : Macroeconomics and Monetary Economics→Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook→Fiscal Policy
Q54 : Agricultural and Natural Resource Economics, Environmental and Ecological Economics→Environmental Economics→Climate, Natural Disasters, Global Warming